Can polishing and scouring machine



Aug w. w. WADSWORTH' CAN POLISHING AND S COURING MACHIN E Filed Aug. 26

1926 2 Sheets-Sheet 1 Aug'.- 9,192). 1,638,606

W. W. WADSWORTH CAN POLISHING AND SCOURING MACHINE Filed Aug. 26 1926 2 Sheets-Sheet. 2

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// t I I f/I 7 '7 I W666; William M llizds'aforzla.

7 views.

1 Figure 3 is a vertical'longitudinal sec-1 tional View taken on line 3 3 of Figure,

WILLI M w." WADSWORTI-I, or TBE'M' LNTON, TAHE CAN POLISHING ,Alvn scounme M CHIN 'Application filed August 26, 1926. Serial No.1315697;

V This inventionrelatestocertain' new and useful improvements in can polishing and securing. machines and has for its primary object to, polish and scour the ends of cans .after being packed and priorto' the pasting of the labels upon the cans so that the opposite ends of the cans will have a polished and finishedappearance.

' Another obj ect'of the invention is to provide a machine ofthe above type wherein there is provided an inclined guideway through which-the cans roll to a pair of spaced scouringand polishing brushes with means for causing the brushes engaging the opposite ends' of the cans to rotate in reverse directions, means to move the-brush elements toward and away from each other and a cam operated device for elevating the cans-fromthe guideway' and delivering the same into an in'clined discharge chute;

With the above and other general objects in View thatwill become apparent as; the nature of the invention. is: better under- 7 stood, the same -consists in tlienovel form, combination and arrangement of parts "hereinafter more fullydescribed shown in the accompanying drawings and claimed.

In the: accompanying drawings wherein like reference characters indicatejcorresponding parts throughout the" several Figure'l is a top plan-view of a can scouring and polishing machine construct ed in accordance with the present invention showing the xtensioned axially shiftable brushes for polishing the can-ends; the r-eceivi'ng'and delivery} chutes for thercans and the operating mechanism for the brushes;

Figure 2 is a side elevationalview of-the machine showinglthe cam meclianism for operating the can ejecting device 1' showing the motor drive, the cansejecting mechanism and the" operatingadevices for the brush element; ".1

Figure 1 is :afragmentary side elevaional: view, partly in section showing the receiving and'sdel ivery chutes of the machine with the can ejecting plungerandoperatingcamiassociatedtherewith; and

Fignre 'is a vertic'al cross sectional View taken 'on 'lin'e 5+5 of' FigureQ showing the cam'ope'rated arms that :c'arry thebrush ele" v jmentfor" moving the latter toward'and 'awayjfrom the can-ends f The cam scouring and polishing machine being designed for cleaning the ends "of cans prior to the application of the usual labels that completely encircle the side walls ofthe cans,"comprises aframe structure having corner legs 1 connected at their upper ends by side bars 2 with cross bars 3 and 4 extending between the upper sides of the side bars 2. The legs at opposite sides of the machine frame are further braced by the cross platform 5 whileQth-e legs at each sideof the frame are connected interinediatetheir ends by side rails 6.

A driven shaft 7 is jo'urn'aled at its ends in bearings 8-carried by theuppersid-es" of the side rails=6 and said shaft 7 is driven.

from a shaftf12, which has a pulley 9; fixed thereto as shown in Figures land 3; and that has abelt connection 10 with the shaft of'the motor 11 that is supported upon the l The shaft 12' is journaled at its opposite ends in the upper ends of the corner le s at the end-of the frame .struc:

platform 5.

tu're oppositethe p'latforin'5 and said shaft 12 has a pulley 13 fixed thereto that has a. belt connection 14 with the further pulley 15 fixed to the sh'aft Z'. The pulleysila and; 1 5 are fiX-edtotheshafts'12-and7 adjacent thesimilar ends thereof, and; through medium of the belt connections, theimotor 11 effects rotation of-said'sliafts; Theshaft 12 has driving connections-with brush ele-' vments to be presently described. 1 Receiving' and delivery chutes 16 and-'17 respectively are support-ed upon the cross 'barsf3- and ifas shown in Figuresil-j and 3, the re-- CBIVlHg' end of they-delivery chute being at.

an elevation slightly higher, than the-lower end of thereceiving 'chute to act as an Figures and Each 'of"t h e1 chutes 16 and 17 has upstai'iding side walls 18v and 19 respectively the sidewalls 18' of. the chute 16 being broken away at the ends as shown in-Figures' l: and 3.

u-pper'gside of the side .bar

l abutment-or temporary stop for the; cans" V C as will beevident' from a'ninspection o fhold thetwo ibrushes 20 normally: iseparated from each other, there is provided a coiled spring 23 enclosing each shaft 21 ,between the adjacent bearing 22 and a pulley 24k at the outer end of the shaft, and each shaft 21 is rotated by the .belt connection 25 extending from the pulley 2 1 and'inclosinga pulley 26 upon' the adjacent projecting end of the a shaft 12, the belt 25 being crossed torcause "the shafts21 to rotate in opposite directions "andfadjacent end of the spring 32.

"to eifect' a ,inore thorough scouring-and pol 'lslllng of the can en'ds. The devices for moving the brush elements 20 toward each other for contact with the can ends includes a pair of levers 27 that are pivotally mounted as at 28 upon the crossbar 29 that extends between the side bars 2 of the frame structure with a bearing 30 at the-upper end of eachleve'r through which the shaft 21 rotatably extends. The inner end of each shaft 21 has a brush head 31 detachably connected thereto, the brush head 31 being engagedby a coil spring32 interposed between the brush head and bearings 3O of the lever 27 vwith the washer =33 interposed between the bearing 30 The spring 32 and bearing 30 provides lost motion whenthe lever 27 is operated to axially shift the shaft 21'againstthe tension of the spring 23 to relieve undue pressure on the opposite ends of the cans G.

The device for simultaneously operating the levers 27 lncludes a cam wheel 34:, se-

cured to the shaft 7 inwardly of pulley 15,

having lateral cam faces 35 extending from opposite sides thereof at the peripheral edge ceiving chute 16 and deposited upon the re-, ceiving end of the delivery chute 17 for pas- 'sage'from the machine, the dev ces for accomplishing this purpose comprising a lever bar 37 pivoted atone end upon the shaft 12 with the side thereof engaging theperiphery of the cam wheel 34 and periodically elevated by the cam wheel when the pripheral cam portion 38 of the cam wheel movesinto con-i tact with thelever bar 37 as shown in Figure 4. A vertically'moving plunger rod 39 is pivotallyconnected at itslower'end'as' at 40 to the'freeendofthe lever bar 37'with the Y uppen end'of the-plunger rod .moving' I through an'ope'ning in the chute 16 forl elevating an ad acent can as shown in Figure 1,

i The lever bar 37 is retained in-lits lowered I positive operatively engaged with the pc- I' r'iplieral cam surface of the cam wheel 34 by the spring'tl having-one --end thereof connected at42 to'the'free end of the lever bar 37 whilethe other endofthe spring is anchored as at 4:3 to the frame platform 5.

From the above detailed description of the 7 device, it is believed that the construction and operation thereof will at once be understood, it being'noted that the motor 11 is employed for rotating the shaft 12 and through the" belt and pulley connections, the shaft 7 and shafts 21 that carry the brush elements 31; 'The belt 25 being crossed, the brush elements 31 are rotated in opposite direct-ions while the cam wheel 34rotating with the shaft 7 operatesthe levers 27 wh ch cause movement of the brushes toward and away fron 'the cans C, passing through the -machine. At proper intervals, the plunger rod 39 is elevated when the brush QlBHlQIltS are separated to place a polished can in the delivery chute 17. The cam portions 35' and 38.

upon the cam' wheel 34 are so related to cause the plungerrod 39 to be lowered during operative engagement of the brush ele-v ments 31 with the cam ends and said plunger 7 rod 39 to be elevated when'the brush ele-- ments are outwardly shifted in spaced rela tion to the cans. z

While there is herein shown and described the preferred embodiment of the present in vention, it is, nevertheless, to be understood that" minor changes may be made therein without departing from the spiritand scope of the invention as clalmed.

Having *thusldescribed my invention, 1

'1. A'can scouring. and polishing machine comprising means for feeding cans into the machine, ejecting means for the cans, means for securing and polishing the can ends and means for alternately operating the ejectin and polishing means, i

2. A machine for polishing can ends com- 1 risinomeans for feedln cans intothe machine, means for polishing the endsof cans movable' toward'and away fromthe cans, means for e ect-mg the cans fromthe'ma chineafter polishing and means for alternately operating the polishing and ejecting means. A p i V a 7' 3; A machinefor pclishlng can ends come prlsing means for feeding cans mto the machine, means for polishing the endsof cans;

movable toward and away from the cans, means for e ecting the cans from the ma chine after polishing and means for alternately operating the polishing and ejecting means, said feeding means including receivmg and delivery chutes with the receiving end of 'thel delivery chute constituting an abutment for the cans. 7 V

V 4:. A machine for polishing can ends comprising means for feeding cans into the machine, meansfor polishing the endsiof cans movable towardand away from the cans,

'lIlGLllS for ejecting the cans. from thema chine after polishingjaand means for alternately operating thepolishing and ejecting means, said polishing means including alined rotatable and axially movable shafts, brush elements on the adjacent ends of the shafts, and springs for normally holding the brush elements separated.

5. A machine for polishing can ends comprising means for feeding cans intothe machine, means for polishing the ends of cans I brushes on the can ends.

6. A machine for polishing can ends comprising means for feeding cans into the machine, means for polishing the ends of cans movable toward and away from the cans, means for ejecting the cans from the machine after polishing and means for alternately operating the polishing and ejecting means, said ejecting means comprising a plunger rod for elevating a can during ejecting movement thereof from the machine.

7. A machine for polishing can ends comprising means for feeding cans into the machine, means for polishing the ends of cans movable toward and away from the cans, means for ejecting the cans from the machine after polishing and means for alternately operating the polishing and ejecting means,

said feeding means including receiving and delivery chutes with the receiving end of the delivery chute constituting an abutment for the cans, said polishing means including alined rotatable and axially movable shafts, a brush element on the adjacent ends of the shafts, and springs for normally holding the brush elements separated.

8. A machine for polishing can ends comprising means for feeding cans into the machine, means for polishing the ends of cans movable toward and away'from the cans, means for ejecting the cans from'the machine after polishing and means for alternately operating the polishing and ejecting means,

said polishing means including alined rotatable and axially movable shafts, a brush element onthe adjacent ends of the shafts,

springs for normally holding the brush elements separated, and springs associated with the brush elements for equalizing pressure of the brushes on the can ends.

9. A machine for polishing can ends compr sing receiv ng and delivery chutes for cans, a pair of reversely rotatable brush ele ments movable toward and away from each other for contact with can ends, an ejector for placing a polished'can on to the delivery chute, a pair of-levers for moving the brushi 1 elements, and a unitary instrumentality as- :sociated with the ejector and levers. for alternate operation thereof. V

10. A machine for polishing can ends com prising receiving and delivery chutes for cans, a pair of reversely rotatable brush elements movable toward and away from each other for contact with can ends, an ejector for placing a polished can on to the deliverychute, a pair of levers for moving'th'e brush elements, and a double cam device for alternately operating thelejector and levers.

11. A machine for polishing can ends comprising receiving and delivery chutes for cans, a pair of reversely rotatable brush elements movable toward and away from each other for contact with can ends, an ejector for. placing a polished can onto the delivery chute, apair of levers for movingthe brush elements, and a cam wheel having lateral cam portions engaging the levers and a peripheral cam portion engaging the ejector.

12. A machine for polishing can ends comprising receiving and delivery chutes for cans, a pair of reversely rotatable brush elements movable toward and away from each other for contact with can ends, an ejector for placing a polished can on the delivery chute, a pair of levers formoving the brush.

elements, and a camwheel having lateral cam portions engaging the levers and aperipheral cam portion engaging the ejector, 5

the lateral and peripheral cam portions being circumferentially spaced to effect alter;

nate operation of the polishing and ejecting means. a

ture.

loo

In testimony whereof I affix my signa- WILLIAM w. WADSWORTH. 

